Specification: Item Type: Retro Bluetooth Speaker_x000D_Material: ABS_x000D_Size: Approx. 130 x 90 x 73mm / 5.1 x 3.5 x 2.9in_x000D_Battery: Li ion battery 18650 (built in) _x000D_Battery Capacity: 500mAh_x000D_Bluetooth Version: V5.0_x000D_Receiving Distance: Approx. 10m / 32.8ft_x000D_Response Frequency: 90Hz-18KHz_x000D_Signal to Noise Ratio: 90DB_x000D_Speaker: Approx. 66mm / 2.6in_x000D_Charging Time: 2-3 hours_x000D_Playing Time: 3-6 hours_x000D_Function: Bluetooth playback, Memory card playback, U disk playback, AUX audio playback, FM function. Features: 1RETRO APPEARANCE: Small in size, with a retro look, this speaker is super cute and can not only play music but also decorate your desk. 2PORTABLE SIZE: This speaker has a small carrying handle, which is very convenient to carry, allowing you to easily listen to music anytime, anywhere. 3CLEAR STEREO: Despite its small size, the sound quality is perfect, whether you're listening to country, rock, you'll feel like you're there. 4LONG BATTERY LIFE: With a built in 500mAh rechargeable battery, the portable bluetooth speaker can last up to 6 hours with long battery life and short charging time. 5STRONG COMPATIBILITY: Equipped with advanced bluetooth 5.0 technology, compatible with all bluetooth devices, you can connect your device in one second. 6IDEAL GIFT: Anyone who loves music will love this retro speaker, and you can give it to your friends and family as a birthday present. PackageList: 1 x Retro Bluetooth Speaker 1 x Charging Cable 1 x Instruction